When trying to open Active Directory on a Microsoft Small Business Server 2008 I was greeted with a nice error message saying -

“Error Microsoft Visual C++ Runtime Library Error ” I then clicked OK and got a MMC snap in error and no Active Directory!!!

To fix this you need to browse to:

1. Logon As the user who is having the problem
2. Browse to: c:\Users\%username%\AppData\Roaming\Microsoft\MMC
3. Look for a file called ”DSA” and rename it “DSAOLD”
4. Now try and open Active Directory again and all should be fine

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